#663197#663197

#663197 is a dark, vivid violet. Relative luminance 0.073; OKLCH L 43.6% C 0.161 H 304.4°. Best body text is #FFFFFF at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#663197
RGB	rgb(102, 49, 151)
HSL	hsl(271, 51%, 39%)
HSV	hsv(271, 68%, 59%)
CMYK	cmyk(32.5%, 67.5%, 0%, 40.8%)
CIE-LAB	lab(32.38, 43.42, -46.77)
CIE-LCH	lch(32.38, 63.82, 312.87°)
OKLab	oklab(43.61% 0.0907 -0.1327)
OKLCH	oklch(43.61% 0.161 304.4)
XYZ	xyz(12.1625, 7.2558, 30.0319)
Luminance	0.0726 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663197 #629731

analogous

#333197 #663197 #973195

triadic

#663197 #976631 #319766

tetradic

#663197 #973331 #629731 #319597

square

#663197 #973331 #629731 #319597

split-complementary

#663197 #959731 #319733

monochromatic

#28133B #472269 #663197 #8543C2 #A371D1

Accessibility & contrast

On white

8.57

#663197 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#663197 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663197

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663197	#FFFFFF	#000000	##FFFFFF
##663197	1.00	8.57	2.45	8.57
#FFFFFF	8.57	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B9A

Deuteranopia (green-blind)

#0F4C95

Tritanopia (blue-blind)

#5D4760

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #663197;
/* rgb */ color: rgb(102, 49, 151);
/* oklch */ color: oklch(43.6% 0.161 304.4);

Tailwind

colors: {
  custom: {
    50: '#966db6',
    500: '#663197',
    950: '#000000',
  },
}

SCSS

$custom: #663197;
$custom-light: #966db6;
$custom-dark: #000000;

JSON

{
  "hex": "#663197",
  "rgb": {
    "r": 102,
    "g": 49,
    "b": 151
  },
  "hsl": {
    "h": 271.176,
    "s": 51,
    "l": 39.216
  },
  "oklch": {
    "l": 0.43607,
    "c": 0.16078,
    "h": 304.4
  },
  "luminance": 0.07256
}

Semantic roles & 50–950 ramp

primary

#663197

secondary

#90B96B

accent

#DA4D91

background

#F9F6FB

surface

#F2ECF6

border

#CCC7D0

text

#0E0711

muted

#7E7A80

Preview Lab

Preview with #663197

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →